Question: What is the name of a sibling duo that starts with the letter v.
Paraphrase: What is the title of a kin twosome that begins with the letter v.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q14073567 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'v')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Vergara Toledo, Vergara Toledo, Vova and Olga Galchenko, Vova and Olga Galchenko, Vandino and Ugolino Vivaldi, Vandino and Ugolino Vivaldi, Vline Buggy, Vline Buggy, Vasilyev brothers, Vasilyev brothers, Valery and Yury Nekhayevsky, Valery and Yury Nekhayevsky, Vianeo brothers, Vianeo brothers, Vayner Brothers, Vayner Brothers, Van Buren sisters, Van Buren sisters, Vika and Linda, Vika and Linda, Vesque Sisters, Vesque Sisters, Van Sweringen brothers, Van Sweringen brothers, Vassili and Mikhaïl Platov, Vassili and Mikhaïl Platov, Vangio and Sido, Vangio and Sido, Valore and Domenico Casini, Valore and Domenico Casini, Vlad and Nikitatikha, Vlad and Nikitatikha, Voto and Felix, Voto and Felix